Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
231679 (1995 QE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2231679
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461508540385797 1.12e-07  
a 3.22480332484221 6.6873e-08 AU
q 2.753495564810069 3.7226e-07 AU
i 5.229064143720816 1.4595e-05 deg
node 162.8061583850863 0.00012825 deg
peri 144.5387136378546 0.00014262 deg
M 107.8358612919102 5.1794e-05 deg
tp 2456166.901723988703
(2012-Aug-27.40172399)
0.00030521 JED
period 2115.208953973257
5.79
6.5795e-05
1.801e-07
d
yr
n .1701959512433832 5.2941e-09 deg/d
Q 3.69611108487435 7.6647e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      1995-08-19  
   last obs. used      2013-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59902  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 00:11:26  

Additional Information
 Earth MOID = 1.74007 AU 
 T_jup = 3.165 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a MPO245471  

231679 (1995 QE1)          Discovered 1995-Aug-19 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 1995 QE1 = 1995 SB40 = 2001 SC208 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-26 19:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin